On Wed, 4 Jan 2023 14:41:20 GMT, Viktor Klang <d...@openjdk.org> wrote:
> Currently Set.copyOf allocates both a HashSet and a new empty array when the > input collection is empty. > > This patch avoids allocating anything for the case where the parameter > collection's isEmpty returns true. Curious: how bad was that "needless allocation" that it was required to be optimized away? ------------- PR: https://git.openjdk.org/jdk/pull/11847